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145112323 = 1719934283
BaseRepresentation
bin10001010011000…
…11110100000011
3101010001110200111
420221203310003
5244122043243
622222132151
73411301666
oct1051436403
9333043614
10145112323
1174a04044
1240721057
13240aa2a5
14153b56dd
15cb1639d
hex8a63d03

145112323 has 8 divisors (see below), whose sum is σ = 153761328. Its totient is φ = 136475904.

The previous prime is 145112321. The next prime is 145112327. The reversal of 145112323 is 323211541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145112323 - 21 = 145112321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145112294 and 145112303.

It is not an unprimeable number, because it can be changed into a prime (145112321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31740 + ... + 36022.

It is an arithmetic number, because the mean of its divisors is an integer number (19220166).

Almost surely, 2145112323 is an apocalyptic number.

145112323 is a deficient number, since it is larger than the sum of its proper divisors (8649005).

145112323 is a wasteful number, since it uses less digits than its factorization.

145112323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6293.

The product of its digits is 720, while the sum is 22.

The square root of 145112323 is about 12046.2576346349. The cubic root of 145112323 is about 525.4944071216.

Adding to 145112323 its reverse (323211541), we get a palindrome (468323864).

The spelling of 145112323 in words is "one hundred forty-five million, one hundred twelve thousand, three hundred twenty-three".

Divisors: 1 17 1993 4283 33881 72811 8536019 145112323